A portrait of Pope Pius XII (1876-1958), head of the Catholic Church from 1939 until his death, who, during World War II, and while European Jews were being exterminated by the Nazis, was accused of keeping a disconcerting and shameful silence.
Everyone knows the view of Via della Conciliazione with St. Peter's Basilica framed behind it. The most famous postcard of Rome, the background used by correspondents all over the world. Few know that this street hasn't always been there, and in fact shouldn't have been from the premises.